linux-kernel - Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA (corrected)

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Message-ID: <20081227004928.GA28225@case.infernal>
Date:	Sat, 27 Dec 2008 01:49:28 +0100
From:	Andreas Bombe <andreas.bombe@...um.de>
To:	"Hans J. Koch" <hjk@...utronix.de>
Cc:	Joerg Roedel <joro@...tes.org>,
	Edward Estabrook <edward.estabrook.lkml@...il.com>,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	gregkh@...e.de, edward.estabrook@...il.com,
	edward_estabrook@...lent.com
Subject: Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA
	(corrected)

On Thu, Dec 25, 2008 at 04:20:15PM +0100, Hans J. Koch wrote:
> On Thu, Dec 25, 2008 at 01:30:04PM +0100, Joerg Roedel wrote:
> > I like that idea of a seperate directory in sysfs. How about allocating
> > DMA memory by creating files in this directory.
> 
> Nice idea, but AFAICT sysfs doesn't support creating files from userspace.

For that there is configfs.
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